CN103949853B - A kind of processing method of body implant titanium alloy arc - Google Patents
A kind of processing method of body implant titanium alloy arc Download PDFInfo
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- CN103949853B CN103949853B CN201410162754.7A CN201410162754A CN103949853B CN 103949853 B CN103949853 B CN 103949853B CN 201410162754 A CN201410162754 A CN 201410162754A CN 103949853 B CN103949853 B CN 103949853B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
Abstract
The processing method that the invention discloses a kind of body implant titanium alloy arc, comprises the following steps: raw material prepares, rule side-heating-flat-rolled-perpendicular roll 1-heat-bend 1-perpendicular roll 2-heat-bend 2-perpendicular roll the rolling of 3-finished product, machine straightening, heat treatment and hot tensile strength align, surface process.The processing method of the present invention a kind of body implant titanium alloy arc, the titanium alloy arc function admirable, the applicable production in enormous quantities in enormous quantities that prepare process, machining accuracy is high and does not ftractures, working (machining) efficiency is high, it is effectively improved the shortcoming that pure titanium arc intensity is not enough, provides widely material alternative condition for body implant blade plate.
Description
Technical field
The invention belongs to technical field of nonferrous metal processing, be specifically related to a kind of body implant titanium alloy arc
The processing method of shape plate.
Background technology
Pure titanium curved plate used as body implant, through application in a few years, has obtained accreditation and the favorable comment in market, but
Along with deeper into research, finding that pure titanium arc can not meet for the damage location that some stress are bigger
Required requirement of strength, needs the arc of higher intensity to meet.Titanium alloy is high, resistance to because having intensity
Erosion property is good, thermostability high is widely used in every field, and therefore titanium alloy arc can be effective
Improve the shortcoming that pure titanium arc intensity is not enough, provide widely material choosing for body implant blade plate
Select.But the method for existing processing pure titanium arc is not suitable for machining titanium alloy arc, does not the most also have
There is the method being suitable for producing processing body implant titanium alloy arc in enormous quantities.
Summary of the invention
The processing method that it is an object of the invention to provide a kind of body implant titanium alloy arc, prepares
Titanium alloy arc function admirable and machining accuracy high, be suitable for producing processing in enormous quantities.
The technical solution adopted in the present invention is: the processing side of a kind of body implant titanium alloy arc
Method, specifically includes following steps:
Step 1, raw material prepares
Choose TC4, TC20 titanium alloy as blank；
Step 2, rolling
The blank of step 1 carries out rule side-heating-flat-rolled-perpendicular successively roll 1-and heat-bend 1-
The perpendicular 2-that rolls heats-bends that 2-is perpendicular rolls the rolling of 3-finished product, the blank after being rolled；
Step 3, machine straightening
Blank after rolling step 2 obtained carries out machine straightening process, obtains the base after machine straightening
Material；
Step 4, heat treatment is aligned with hot tensile strength
Blank after machine straightening step 3 obtained is placed in batch-type furnace, uses air annealing, air
Cooling, carries out hot tensile strength aligning, obtains shaping blank；
Step 5, surface processes
The shaping blank that step 4 obtained uses that alkali is quick-fried, the mode of pickling carries out surface process after sandblasting,
Obtain.
The feature of the present invention also resides in,
In step 1, titanium alloy meets GB GB/T13810-2007, roughness Ra≤3.2 μm, surface without
Macroscopic defect, pit to smoothly transit, and diameter specifications is Φ 8mm-Φ 20mm.
In step 2, rule side uses cold working mode, and pass reduction is 3%-8%, and working modulus controls
10%-30%；Heating uses Electricity Contact Heating, and uses infrared temperature control system, and heating-up temperature is
800℃-900℃；Flat pass working modulus is 10%-30%；It is perpendicular that to roll 1 working modulus be 5%-30%；Pressure
Curved 1 pass reduction is 10%-20%；It is perpendicular that to roll 2 pass reductions be 3%-20%；2 passages of bending add
Work rate is 10%-20%；It is perpendicular that to roll 3 pass reductions be 3%-20%；Finished product rolling pass working modulus is
2%-8%。
In step 3, machine straightening processes and uses at least 5 roller alignings, roller footpath 50mm-150mm, smoothing roll
Hardness 35-60HRC, flexibility≤10mm/m.
In step 4, the temperature of air annealing is 700 DEG C-850 DEG C, and the time is 0.5-3h.
In step 4, hot tensile strength aligning uses electrical contact hydraulic straightening machine aligning, and pressure is 1.0
MPa-4.0MPa, straightening temperature is 600 DEG C-700 DEG C, aligns a length of 2.0m-4.0m.
In step 5, the quick-fried temperature of alkali is 450 DEG C-600 DEG C.
In step 5, sandblasting is dry spray or water spray, and grit particle diameter is 350 μm-550 μm, shower nozzle and material
Distance is 100mm-200mm.
The acid solution that in step 5, pickling uses is by HF, HNO3And H2O forms, and volume ratio is
HF:HNO3:H2O=1:3:5。
The invention has the beneficial effects as follows: the processing side of the present invention a kind of body implant titanium alloy arc
Method, prepared titanium alloy arc function admirable, is suitable for producing processing in enormous quantities, and machining accuracy is high and not
Cracking, working (machining) efficiency is high, is effectively improved the shortcoming that pure titanium arc intensity is not enough, connects for body implant
Hone lamella provides widely material alternative condition.
Accompanying drawing explanation
Fig. 1 is the metallograph of the TC4 arc that the embodiment of the present invention 1 prepares；
Fig. 2 is the metallograph of the TC20 arc that the embodiment of the present invention 2 prepares；
Fig. 3 is the metallograph of the TC4 arc that the embodiment of the present invention 3 prepares；
Fig. 4 is the metallograph of the TC20 arc that the embodiment of the present invention 4 prepares.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
The processing method of the present invention a kind of body implant titanium alloy arc, specifically includes following steps:
Step 1, raw material prepares
Choose TC4, TC20 titanium alloy that diameter specifications is Φ 8mm-Φ 20mm as blank, meet
GB GB/T13810-2007, roughness Ra≤3.2 μm, crackle that surface is visible by naked eyes, grinding pattern,
The defects such as folding, pit to smoothly transit；Diameter determines according to specification and working modulus 40%-70% of product；
Step 2, rolling
Blank step 1 obtained carries out rule side-heating-flat-rolled-perpendicular 1-that rolls successively and heats-bend
1-is perpendicular to be rolled 2-and heats-bend that 2-is perpendicular rolls the rolling of 3-finished product, the blank after being rolled；
Wherein, rule side uses cold working mode, and pass reduction is 3%-8%, and working modulus controls
10%-30%；Heating uses Electricity Contact Heating, and uses infrared temperature control system, and heating-up temperature is
800℃-900℃；Flat pass working modulus is 10%-30%；It is perpendicular that to roll 1 working modulus be 5%-30%；Pressure
Curved 1 pass reduction is 10%-20%；It is perpendicular that to roll 2 pass reductions be 3%-20%；2 passages of bending add
Work rate is 10%-20%；It is perpendicular that to roll 3 pass reductions be 3%-20%；Finished product rolling pass working modulus is
2%-8%；
Step 3, machine straightening
Blank after rolling step 2 obtained carries out machine straightening process, uses at least 5 roller alignings,
Roller footpath 50mm-150mm, smoothing roll hardness 35-60HRC, flexibility≤10mm/m, the roller of smoothing roll
Footpath, hardness select mainly to select according to the specification of product, do not damage material surface as long as reaching to align,
Obtain the blank after machine straightening；
Step 4, heat treatment is aligned with hot tensile strength
Blank after machine straightening step 3 obtained is placed in batch-type furnace, uses air annealing, annealing
Temperature is 700 DEG C-850 DEG C, the time is 0.5-3h, and air cools down, and uses electrical contact hydraulic straightening machine to enter
Row hot tensile strength is aligned, and hydraulic pressures is 1.0MPa-4.0MPa, and straightening temperature is 600 DEG C-700 DEG C, rectifys
Straight a length of 2.0m-4.0m, obtains shaping blank；
Step 5, surface processes
The shaping blank that step 4 obtained uses that alkali is quick-fried, the mode of pickling carries out surface process after sandblasting,
Obtaining, wherein, the quick-fried temperature of alkali is 450 DEG C-600 DEG C；Sandblasting is dry spray or water spray, and grit particle diameter is
350 μm-550 μm, shower nozzle is 100mm-200mm with the distance of material；Pickling use acid solution by
HF、HNO3And H2O forms, and volume ratio is HF:HNO3:H2O=1:3:5。
The processing method of the present invention a kind of body implant titanium alloy arc, prepared titanium alloy arc
Precision is high, efficiency is fast, is suitable for producing processing in enormous quantities, and machining accuracy is high and does not ftractures, and performance is steady
Fixed, even tissue and surface, without α pollution layer, are effectively improved the shortcoming that pure titanium arc intensity is not enough, for
Body implant blade plate provides widely material alternative condition.
Embodiment 1
PreparationTC4 titanium alloy arc；
Step 1, raw material prepares
The TC4 titanium alloy rod bar of Ф 12mm, tensile strength is chosen according to GB/T13810-2007 standard
>=860MPa, elongation percentage >=10%, roughness 3.2 μm, crackle that blank surface is visible by naked eyes, grinding
The defect such as stricture of vagina, folding, pit to smoothly transit, and obtains TC4 titanium alloy blank；
Step 2, rolling
TC4 titanium alloy blank step 1 obtained first uses cold rule side technique to be rolling to Ф 10mm, road
Secondary working modulus 3%；Using Electricity Contact Heating again, and use infrared temperature control system, heating-up temperature is
850 DEG C, to temperature power-off；Use the thickest 5.0mm-5.5mm × wide 15mm of the rapid flat-rolled of two-roller mill
-16mm, flat pass working modulus is 10%；Erect and roll 1 to wide 13.6mm-13.9mm × thickness 5.5mm
-5.8mm, perpendicular to roll 1 working modulus be 15%；Then carry out 2 fire time rollings, use Electricity Contact Heating extremely
850 DEG C, to temperature power-off；Press-bending 1 is rolling to thick 4.7mm-4.8mm × wide 14.1mm-14.5mm rapidly,
Pass reduction is 10%；Then carry out perpendicular rolling 2 and being rolling to 13.7mm-13.8mm × thickness
4.7mm-4.8mm, pass reduction is 10%, fire time working modulus 20%；Then 3 fire time rollings are carried out,
Electricity Contact Heating is to 850 DEG C, to temperature power-off；Bend rapidly and 2 be rolling to 4.2mm-4.4mm × wide
13.7mm-14mm, pass reduction is 10%；Then carry out erecting rolling 3 to 13.7mm-13.8mm × thickness
4.2mm-4.4mm, pass reduction is 8%；Finally carry out finished product and be rolling to wide 13.5mm × thickness
4.2mm, pass reduction is 4%, fire time working modulus 20%, the blank after being rolled；
Step 3, machine straightening
Blank after rolling step 2 obtained carries out machine straightening process, uses 5 roller alignings, roller footpath
100mm, smoothing roll hardness 35HRC, flexibility≤10mm/m, obtain the blank after machine straightening；
Step 4, heat treatment is aligned with hot tensile strength
Blank after step 3 machine straightening is placed in batch-type furnace, uses air annealing, annealing temperature
730 DEG C, the time be 1.5h, air cool down, use electrical contact hydraulic straightening machine carry out hot tensile strength aligning,
Hydraulic pressures is 2.5MPa, and straightening temperature is 650 DEG C, aligns a length of 2.0m, obtains shaping blank；
Step 5, surface processes
The shaping blank that step 4 obtained uses that alkali is quick-fried, the mode of pickling carries out surface process after sandblasting,
Obtaining, wherein, the quick-fried temperature of alkali is 500 DEG C；Sandblasting is dry spray, and grit particle diameter is 450 μm, shower nozzle with
The distance of material is 100mm；The acid solution that pickling uses is by HF, HNO3And H2O forms, volume ratio
For HF:HNO3:H2O=1:3:5。
Embodiment 2
PreparationTC20 titanium alloy arc；
Step 1, raw material prepares
The TC20 titanium alloy rod bar of Ф 12mm, tensile strength is chosen according to GB/T13810-2007 standard
>=900MPa, elongation percentage >=10%, roughness 3.2 μm, crackle that blank surface is visible by naked eyes, grinding
The defect such as stricture of vagina, folding, pit to smoothly transit, and obtains TC20 titanium alloy blank；
Step 2, rolling
TC20 titanium alloy blank step 1 obtained first uses cold rule side technique to be rolling to Ф 10mm,
Pass reduction 5%；Using Electricity Contact Heating again, and use infrared temperature control system, heating-up temperature is
800 DEG C, to temperature power-off；Use the thickest 5.0mm-5.5mm × wide 15mm of the rapid flat-rolled of two-roller mill
-16mm, flat pass working modulus is 18%；Erect and roll 1 to wide 13.6mm-13.9mm × thickness 5.5mm
-5.8mm, perpendicular to roll 1 working modulus be 5%；Then carry out 2 fire time to roll, Electricity Contact Heating to 800 DEG C,
To temperature power-off；Press-bending 1 is rolling to thick 4.7mm-4.8mm × wide 14.1mm-14.5mm rapidly, and passage adds
Work rate is 14%；Then carry out perpendicular rolling 2 and being rolling to 13.7mm-13.8mm × thickness 4.7mm-4.8mm, road
Secondary working modulus is 3%, fire time working modulus 22%；Then carry out 3 fire time to roll, Electricity Contact Heating to 800 DEG C,
To temperature power-off；Press-bending 2 is rolling to 4.2mm-4.4mm × wide 13.7mm-14mm, pass reduction rapidly
It is 15%；Then carry out erecting rolling 3 to 13.7mm-13.8mm × thickness 4.2mm-4.4mm, pass reduction
It is 3%；Finally carrying out finished product and be rolling to wide 13.5mm × thickness 4.2mm, pass reduction is 2%, fire
Secondary working modulus 22%, the blank after being rolled；
Step 3, machine straightening
Blank after rolling step 2 obtained carries out machine straightening process, uses 6 roller alignings, roller footpath
150mm, smoothing roll hardness 45HRC, flexibility≤10mm/m, obtain the blank after machine straightening；
Step 4, heat treatment is aligned with hot tensile strength
Blank after step 3 machine straightening is placed in batch-type furnace, uses air annealing, annealing temperature
700 DEG C, the time be 3h, air cool down, use electrical contact hydraulic straightening machine carry out hot tensile strength aligning, liquid
Pressure pressure is 3MPa, and straightening temperature is 700 DEG C, aligns a length of 3.0m, obtains shaping blank；
Step 5, surface processes
The shaping blank that step 4 obtained uses that alkali is quick-fried, the mode of pickling carries out surface process after sandblasting,
Obtaining, wherein, the quick-fried temperature of alkali is 450 DEG C；Sandblasting is dry spray, and grit particle diameter is 350 μm, shower nozzle with
The distance of material is 150mm；The acid solution that pickling uses is by HF, HNO3And H2O forms, volume ratio
For HF:HNO3:H2O=1:3:5。
Embodiment 3
PreparationTC4 titanium alloy arc；
Step 1, raw material prepares
The TC4 titanium alloy rod bar of Ф 15mm, tensile strength is chosen according to GB/T13810-2007 standard
>=860MPa, elongation percentage >=10%, roughness 3.2 μm, crackle that blank surface is visible by naked eyes, grinding
The defect such as stricture of vagina, folding, pit to smoothly transit, and obtains TC4 titanium alloy blank；
Step 2, rolling
TC4 titanium alloy blank step 1 obtained first uses cold rule side technique to be rolling to Ф 14mm, road
Secondary working modulus 8%；Using Electricity Contact Heating again, and use infrared temperature control system, heating-up temperature is
900 DEG C, to temperature power-off；The thickest 7.0mm-7.5mm of the employing rapid flat-rolled of two-roller mill × wide by 20
Mm-21mm, flat pass working modulus is 30%；Erect and roll 1 to wide 18.0mm-18.2mm × thickness 7.5
Mm-8.0mm, perpendicular to roll 1 working modulus be 30%；Then carry out 2 fire time to roll, Electricity Contact Heating to 900 DEG C,
To temperature power-off；Press-bending 1 is rolling to thick 6.4mm-6.6mm × wide 18.6mm-18.9mm rapidly, and passage adds
Work rate is 20%；Then carry out perpendicular rolling 2 and being rolling to 17.9mm-18.1mm × thickness 6.4mm-6.6mm, road
Secondary working modulus is 20%, fire time working modulus 24%；Then carrying out 3 fire time rollings, Electricity Contact Heating is extremely
900 DEG C, to temperature power-off；Press-bending 2 is rolling to 5.9mm-6.1mm × wide 18.1mm-18.3mm rapidly,
Pass reduction is 20%；Then carry out erecting rolling 3 to 17.3mm-17.6mm × thickness 5.9mm-6.0mm,
Pass reduction is 20%；Finally carry out finished product and be rolling to wide 17.7mm × thickness 5.7mm, pass reduction
It is 8%, fire time working modulus 24%, the blank after being rolled；
Step 3, machine straightening
Blank after rolling step 2 obtained carries out machine straightening process, uses 5 roller alignings, roller footpath
50mm, smoothing roll hardness 55HRC, flexibility≤10mm/m, obtain the blank after machine straightening；
Step 4, heat treatment is aligned with hot tensile strength
Blank after step 3 machine straightening is placed in batch-type furnace, uses air annealing, annealing temperature
800 DEG C, the time be 1h, air cool down, use electrical contact hydraulic straightening machine carry out hot tensile strength aligning, liquid
Pressure pressure is 1.0MPa, and straightening temperature is 600 DEG C, aligns a length of 4.0m, obtains shaping blank；
Step 5, surface processes
The shaping blank that step 4 obtained uses that alkali is quick-fried, the mode of pickling carries out surface process after sandblasting,
Obtaining, wherein, the quick-fried temperature of alkali is 550 DEG C；Sandblasting be water spray, grit particle diameter is 500 μm, shower nozzle with
The distance of material is 200mm；The acid solution that pickling uses is by HF, HNO3And H2O forms, volume ratio
For HF:HNO3:H2O=1:3:5。
Embodiment 4
PreparationTC20 titanium alloy arc；
Step 1, raw material prepares
The TC20 titanium alloy rod bar of Ф 15mm, tensile strength is chosen according to GB/T13810-2007 standard
>=860MPa, elongation percentage >=10%, roughness 3.2 μm, crackle that blank surface is visible by naked eyes, grinding
The defect such as stricture of vagina, folding, pit to smoothly transit, and obtains TC20 titanium alloy blank；
Step 2, rolling
TC20 titanium alloy blank step 1 obtained first uses cold rule side technique to be rolling to Ф 14mm,
Pass reduction 6%；Using Electricity Contact Heating again, and use infrared temperature control system, heating-up temperature is
880 DEG C, to temperature power-off；The thickest 7.0mm-7.5mm of the employing rapid flat-rolled of two-roller mill × wide by 20
Mm-21mm, flat pass working modulus is 25%；Erect and roll 1 to wide 18.0mm-18.2mm × thickness 7.5
Mm-8.0mm, perpendicular to roll 1 working modulus be 25%；Then carry out 2 fire time to roll, Electricity Contact Heating to 880 DEG C,
To temperature power-off；Press-bending 1 is rolling to thick 6.4mm-6.6mm × wide 18.6mm-18.9mm rapidly, and passage adds
Work rate is 18%；Then carry out perpendicular rolling 2 and being rolling to 17.9mm-18.1mm × thickness 6.4mm-6.6mm, road
Secondary working modulus is 17%, fire time working modulus 25%；Then carrying out 3 fire time rollings, Electricity Contact Heating is extremely
880 DEG C, to temperature power-off；Press-bending 2 is rolling to 5.9mm-6.1mm × wide 18.1mm-18.3mm rapidly,
Pass reduction is 18%；Then carry out erecting rolling 3 to 17.3mm-17.6mm × thickness 5.9mm-6.0mm,
Pass reduction is 18%；Finally carry out finished product and be rolling to wide 17.7mm × thickness 5.7mm, pass reduction
It is 6%, fire time working modulus 25%, the blank after being rolled；
Step 3, machine straightening
Blank after rolling step 2 obtained carries out machine straightening process, uses 6 roller alignings, roller footpath
120mm, smoothing roll hardness 60HRC, flexibility≤10mm/m, obtain the blank after machine straightening；
Step 4, heat treatment is aligned with hot tensile strength
Blank after step 3 machine straightening is placed in batch-type furnace, uses air annealing, annealing temperature
850 DEG C, the time be 0.5h, air cool down, use electrical contact hydraulic straightening machine carry out hot tensile strength aligning,
Hydraulic pressures is 4.0MPa, and straightening temperature is 680 DEG C, aligns a length of 2.0m, obtains shaping blank；
Step 5, surface processes
The shaping blank that step 4 obtained uses that alkali is quick-fried, the mode of pickling carries out surface process after sandblasting,
Obtaining, wherein, the quick-fried temperature of alkali is 600 DEG C；Sandblasting be water spray, grit particle diameter is 550 μm, shower nozzle with
The distance of material is 180mm；The acid solution that pickling uses is by HF, HNO3And H2O forms, volume ratio
For HF:HNO3:H2O=1:3:5。
Table 1 uses the product actual measurement mechanical property table that the method for the present invention prepares
In Table 1, Rm represents that tensile strength, Rp0.2 represent that yield strength, A represent elongation percentage,
It can be seen that the body implant titanium alloy arc performance that embodiment of the present invention 1-4 prepares meets
GB/T13810-2007 standard-required, and strength ratio pure titanium arc intensity exceeds more than 200MPa, greatly
Amplitude improves the intensity of titanium arc；Fig. 1-Fig. 4 is to be respectively adopted titanium alloy prepared by embodiment 1-4
By photo, the metallograph figure of arc, can be seen that the horizontal microscopic structure of annealed state is biphase group of alpha+beta
Knitting, organization type meets A1～A3 in ETTC2 " microscopic structure of titanium or titanium alloy " standard-required.
Claims (3)
1. the processing method of a body implant titanium alloy arc, it is characterised in that specifically include with
Lower step:
Step 1, raw material prepares
Choose TC4, TC20 titanium alloy as blank；
Step 2, rolling
The blank of described step 1 carries out rule side-heating-flat-rolled-perpendicular 1-that rolls successively heat-bend
1-is perpendicular to be rolled 2-and heats-bend that 2-is perpendicular rolls the rolling of 3-finished product, the blank after being rolled；Wherein,
Rule side uses cold working mode, and pass reduction is 3%-8%, and working modulus controls at 10%-30%；Add
Thermal recovery Electricity Contact Heating, and use infrared temperature control system, heating-up temperature is 800 DEG C-900 DEG C；Flat
Rolling pass reduction is 10%-30%；It is perpendicular that to roll 1 working modulus be 5%-30%；1 pass reduction that bends is
10%-20%；It is perpendicular that to roll 2 pass reductions be 3%-20%；2 pass reductions that bend are 10%-20%；
It is perpendicular that to roll 3 pass reductions be 3%-20%；Finished product rolling pass working modulus is 2%-8%；
Step 3, machine straightening
Blank after the rolling obtain described step 2 carries out machine straightening process, after obtaining machine straightening
Blank, wherein, machine straightening process use at least 5 rollers aligning, roller footpath 50mm-150mm, aligning
Roller hardness 35-60HRC, flexibility≤10mm/m；
Step 4, heat treatment is aligned with hot tensile strength
Blank after the machine straightening obtain described step 3 is placed in batch-type furnace, uses air annealing,
The temperature of air annealing is 700 DEG C-850 DEG C, and the time is 0.5-3h, and air cools down, and carries out hot tensile strength and rectifys
Directly, hot tensile strength aligning uses electrical contact hydraulic straightening machine aligning, and pressure is 1.0MPa-4.0MPa, aligning
Temperature is 600 DEG C-700 DEG C, aligns a length of 2.0m-4.0m, obtains shaping blank；
Step 5, surface processes
The shaping blank that described step 4 obtained uses that alkali is quick-fried, the mode of pickling carries out surface after sandblasting
Reason, to obtain final product, and wherein the quick-fried temperature of alkali is 450 DEG C-600 DEG C, and sandblasting is dry spray or water spray, and grit particle diameter is
350 μm-550 μm, shower nozzle is 100mm-200mm with the distance of material.
The processing method of a kind of body implant titanium alloy arc the most as claimed in claim 1, it is special
Levying and be, in described step 1, titanium alloy meets GB GB/T13810-2007, roughness Ra≤3.2 μm,
The defect that surface is visible by naked eyes, pit to smoothly transit, and diameter specifications is Φ 8mm-Φ 20mm.
The processing method of a kind of body implant titanium alloy arc the most as claimed in claim 1, it is special
Levying and be, the acid solution that in described step 5, pickling uses is by HF, HNO3And H2O forms, volume ratio
For HF:HNO3:H2O=1:3:5.
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| CN107828987A (en) * | 2017-11-06 | 2018-03-23 | 金学芳 | A kind of preparation method of body implant titanium alloy plate |
| CN110883088B (en) * | 2019-11-14 | 2021-06-01 | 江阴康瑞成型技术科技有限公司 | Processing technology of titanium alloy mobile phone frame |
| CN111346920B (en) * | 2020-04-02 | 2021-10-22 | 陕西工业职业技术学院 | Ti6Al7Nb titanium alloy sheet and preparation method thereof |
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| CN101791244A (en) * | 2010-04-02 | 2010-08-04 | 西部超导材料科技有限公司 | Processing method of pure titanium curved plate used as body implant |
| CN102310314A (en) * | 2011-07-01 | 2012-01-11 | 云南钛业股份有限公司 | Processing method of titanium and titanium alloy strip coils |
| CN103343310A (en) * | 2013-07-08 | 2013-10-09 | 昆明理工大学 | Preparation method of Ti/Fe alloy plate strip |
| CN103433320A (en) * | 2013-08-13 | 2013-12-11 | 洛阳双瑞精铸钛业有限公司 | Processing method of titanium anode plate made of pure titanium plate blank |
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